Luca Saiu's blog

It’s
22/7
again.
Last
year
on
pi
Approximation
Day
I
published
a
simple
Forth
program
based
on
an
intuitive
geometrical
idea:
see
Happy
pi
approximation
day
2013
(<http://ageinghacker.net/blog/posts/13>).
I’ve
been
thinking
about
what
to
do
in
2014
for
some
time,
without
finding
anything
as
nice
from
the
programming
point
of
view.
Sure,
you
can
find
series
and
continued
fractions
converging
to
pi,
even
rapidly;
these
methods
work,
but
the
corresponding
programs
are
trivial
to
code
and
don’t
provide
any
insight.
So
I
chose
another
route:
a
practical
experiment
to
approximate
pi
by
cutting
and
weighing
metal.
The
result
turned
out
[...] Read more

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